Asker X High Performance Hardness Tester from Hoto Instruments shown with optional peak indicator above
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- Click here for Asker Reference Specimens
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Asker X High Performance Hardness Tester Kit above
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- Model X-A Type A Normal rubber
- Model X-D Type D Hard rubber and plastics
- Model X-C Type C Soft rubber and sponge
- Model X-F Type F Urethane foam, sponge and polystyrene foam
Asker Hardness testers from Hoto Instruments feature portable design, ease of operation, non-destructive measurement and optional peak indicators.
The Asker High Performance series hardness tester has an accuracy of ±.75 point and is available in Type F for soft materials like sponge rubber and urethane foam.
Asker Type F hardness testers use their own weight to determine hardness
Hardness Tester Operation
 As the hardness tester is pressed against the sample, the material resistance force and indentor spring load balance. The depth of the indentor is measured, which provides a measure of the material's hardness. Values are based upon a 100 point scale (accuracy ±.75 point). However, as time elapses the indicator will "creep" back so that a reading taken a few seconds after the tester makes contact with the sample will be less than the peak reading. The optional peak indicator helps to more closely monitor the difference between peak and "creep" in hardness tests.
Asker X High Performance
Reference Specimens Available
| Model |
Description |
Peak Indicator |
Compatible Constant Load Stand |
Price |
Reference Specimens
These test blocks are convenient references to the durometer's operating condition. Available for type D (80 points) and type A (70 and 50 points).
| Model |
Description |
Price |
| RS-A |
For Type A 50 & 70 point |
$120 |
| RS-50A |
For Type A 50 point |
$60 |
| RS-70A |
For Type A 70 point |
$60 |
| RS-80D |
For Type D 80 point |
$60 |
| RS-C |
For Type C 74-77 point |
$60 |
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